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Diffstat (limited to 'tool/m4/ruby_thread.m4')
| -rw-r--r-- | tool/m4/ruby_thread.m4 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tool/m4/ruby_thread.m4 b/tool/m4/ruby_thread.m4 new file mode 100644 index 0000000000..3831bc4c06 --- /dev/null +++ b/tool/m4/ruby_thread.m4 @@ -0,0 +1,33 @@ +dnl -*- Autoconf -*- +AC_DEFUN([RUBY_THREAD], [ +AC_ARG_WITH(thread, + AS_HELP_STRING([--with-thread=IMPLEMENTATION], [specify the thread implementation to use]), + [THREAD_MODEL=$withval], [ + THREAD_MODEL= + AS_CASE(["$target_os"], + [mingw*], [ + THREAD_MODEL=win32 + ], + [ + AS_IF([test "$rb_with_pthread" = "yes"], [ + THREAD_MODEL=pthread + ]) + ] + ) +]) + +AS_CASE(["$THREAD_MODEL"], +[pthread], [AC_CHECK_HEADERS(pthread.h)], +[win32], [], +[""], [AC_MSG_ERROR(thread model is missing)], + [AC_MSG_ERROR(unknown thread model $THREAD_MODEL)]) + +THREAD_IMPL_H=thread_$THREAD_MODEL.h +AS_IF([test ! -f "$srcdir/$THREAD_IMPL_H"], + [AC_MSG_ERROR('$srcdir/$THREAD_IMPL_H' must exist)]) +THREAD_IMPL_SRC=thread_$THREAD_MODEL.c +AS_IF([test ! -f "$srcdir/$THREAD_IMPL_SRC"], + [AC_MSG_ERROR('$srcdir/$THREAD_IMPL_SRC' must exist)]) +AC_DEFINE_UNQUOTED(THREAD_IMPL_H, ["$THREAD_IMPL_H"]) +AC_DEFINE_UNQUOTED(THREAD_IMPL_SRC, ["$THREAD_IMPL_SRC"]) +])dnl |